Warning: Permanently added '10.128.1.42' (ED25519) to the list of known hosts. executing program [ 50.218011][ T4165] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1497 [ 50.227534][ T4165] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 4165, name: syz-executor340 [ 50.236976][ T4165] 1 lock held by syz-executor340/4165: [ 50.242412][ T4165] #0: ffffffff8c1418b8 (css_set_lock){....}-{2:2}, at: cgroup_get_from_path+0x26/0x2f0 [ 50.252145][ T4165] irq event stamp: 15512 [ 50.256355][ T4165] hardirqs last enabled at (15511): [] finish_lock_switch+0x12f/0x280 [ 50.266132][ T4165] hardirqs last disabled at (15512): [] _raw_spin_lock_irq+0x7a/0xe0 [ 50.275750][ T4165] softirqs last enabled at (15484): [] ipv6_setsockopt+0x1c38/0x3890 [ 50.285448][ T4165] softirqs last disabled at (15482): [] release_sock+0x2b/0x1b0 [ 50.294626][ T4165] Preemption disabled at: [ 50.294631][ T4165] [<0000000000000000>] 0x0 [ 50.303322][ T4165] CPU: 0 PID: 4165 Comm: syz-executor340 Not tainted 5.15.185-syzkaller #0 [ 50.311879][ T4165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 50.321917][ T4165] Call Trace: [ 50.325177][ T4165] [ 50.328087][ T4165] dump_stack_lvl+0x168/0x230 [ 50.332744][ T4165] ? ipv6_setsockopt+0x1c38/0x3890 [ 50.337922][ T4165] ? show_regs_print_info+0x20/0x20 [ 50.343093][ T4165] ? load_image+0x3b0/0x3b0 [ 50.347571][ T4165] ? finish_lock_switch+0x12f/0x280 [ 50.352757][ T4165] ___might_sleep+0x47c/0x600 [ 50.357415][ T4165] ? __might_sleep+0xf0/0xf0 [ 50.361997][ T4165] down_read+0x20/0x2e0 [ 50.366142][ T4165] kernfs_walk_and_get_ns+0x81/0x2b0 [ 50.371421][ T4165] ? kernfs_find_ns+0x510/0x510 [ 50.376262][ T4165] ? current_cgns_cgroup_from_root+0x2a9/0x2f0 [ 50.382402][ T4165] cgroup_get_from_path+0x5f/0x2f0 [ 50.387498][ T4165] cgroup_mt_check_v1+0x1ae/0x2c0 [ 50.392502][ T4165] xt_check_match+0x3c6/0xaa0 [ 50.397161][ T4165] ? xt_check_proc_name+0x240/0x240 [ 50.402343][ T4165] ? xt_find_match+0x1e1/0x210 [ 50.407089][ T4165] translate_table+0x153d/0x2020 [ 50.412015][ T4165] ? ip6t_register_table+0x7e0/0x7e0 [ 50.417275][ T4165] ? __might_fault+0xb7/0x110 [ 50.421963][ T4165] ? __lock_acquire+0x7c60/0x7c60 [ 50.426972][ T4165] ? _copy_from_user+0x111/0x170 [ 50.431892][ T4165] do_ip6t_set_ctl+0x975/0xd00 [ 50.436634][ T4165] ? nf_setsockopt+0x218/0x280 [ 50.441376][ T4165] ? ip6t_unregister_table_exit+0x230/0x230 [ 50.447334][ T4165] ? __lock_acquire+0x7c60/0x7c60 [ 50.452361][ T4165] ? __mutex_lock_common+0x431/0x2390 [ 50.457720][ T4165] ? __mutex_unlock_slowpath+0x19e/0x6a0 [ 50.463332][ T4165] ? mutex_unlock+0x10/0x10 [ 50.467827][ T4165] ? __local_bh_enable_ip+0x12a/0x1b0 [ 50.473179][ T4165] ? lockdep_hardirqs_on+0x94/0x140 [ 50.478355][ T4165] ? __local_bh_enable_ip+0x12a/0x1b0 [ 50.483702][ T4165] nf_setsockopt+0x25f/0x280 [ 50.488276][ T4165] ipv6_setsockopt+0x1cb8/0x3890 [ 50.493194][ T4165] ? ipv6_update_options+0x400/0x400 [ 50.498452][ T4165] ? mark_lock+0x94/0x320 [ 50.502760][ T4165] ? mark_lock+0x94/0x320 [ 50.507070][ T4165] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 50.513027][ T4165] ? lock_chain_count+0x20/0x20 [ 50.517853][ T4165] ? __lock_acquire+0x13ad/0x7c60 [ 50.522851][ T4165] ? free_unref_page_list+0x388/0x7e0 [ 50.528200][ T4165] ? free_unref_page_list+0x729/0x7e0 [ 50.533560][ T4165] ? lockdep_hardirqs_on+0x94/0x140 [ 50.538758][ T4165] ? free_unref_page_commit+0x4c0/0x4c0 [ 50.544304][ T4165] ? mark_lock+0x94/0x320 [ 50.548617][ T4165] ? memset+0x1e/0x40 [ 50.552583][ T4165] ? release_pages+0x184b/0x1bb0 [ 50.557499][ T4165] ? mark_lock+0x94/0x320 [ 50.561804][ T4165] ? aa_label_sk_perm+0x37e/0x490 [ 50.566808][ T4165] ? aa_sk_perm+0x8f0/0x8f0 [ 50.571304][ T4165] ? __might_sleep+0xf0/0xf0 [ 50.575869][ T4165] ? verify_lock_unused+0x140/0x140 [ 50.581044][ T4165] ? verify_lock_unused+0x140/0x140 [ 50.586224][ T4165] tcp_setsockopt+0x21a/0x1d70 [ 50.590966][ T4165] ? tcp_set_window_clamp+0x1a0/0x1a0 [ 50.596311][ T4165] ? aa_af_perm+0x2b0/0x2b0 [ 50.600791][ T4165] ? aa_sock_opt_perm+0x74/0x100 [ 50.605709][ T4165] ? sock_common_setsockopt+0x32/0xb0 [ 50.611078][ T4165] ? sock_common_recvmsg+0x1b0/0x1b0 [ 50.616339][ T4165] __sys_setsockopt+0x3d6/0x5e0 [ 50.621167][ T4165] ? __ia32_sys_recv+0xb0/0xb0 [ 50.625906][ T4165] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 50.631861][ T4165] ? lock_chain_count+0x20/0x20 [ 50.636684][ T4165] ? vtime_user_exit+0x2dc/0x400 [ 50.641725][ T4165] __x64_sys_setsockopt+0xb1/0xc0 [ 50.646755][ T4165] do_syscall_64+0x4c/0xa0 [ 50.651162][ T4165] ? clear_bhb_loop+0x30/0x80 [ 50.655832][ T4165] ? clear_bhb_loop+0x30/0x80 [ 50.660505][ T4165] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 50.666382][ T4165] RIP: 0033:0x7f68c836f929 [ 50.670777][ T4165] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 50.690368][ T4165] RSP: 002b:00007ffc12664038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 50.698762][ T4165] RAX: ffffffffffffffda RBX: 00007ffc12664208 RCX: 00007f68c836f929 [ 50.706713][ T4165] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 50.714683][ T4165] RBP: 00007f68c83e3610 R08: 0000000000001528 R09: 00007ffc12664208 [ 50.722639][ T4165] R10: 0000200000002800 R11: 0000000000000246 R12: 0000000000000001 [ 50.730594][ T4165] R13: 00007ffc126641f8 R14: 0000000000000001 R15: 0000000000000001 [ 50.738555][ T4165] [ 50.741560][ T4165] [ 50.743869][ T4165] ============================= [ 50.748705][ T4165] [ BUG: Invalid wait context ] [ 50.753534][ T4165] 5.15.185-syzkaller #0 Tainted: G W [ 50.760095][ T4165] ----------------------------- [ 50.764916][ T4165] syz-executor340/4165 is trying to lock: [ 50.770603][ T4165] ffffffff8c24e230 (kernfs_rwsem){++++}-{3:3}, at: kernfs_walk_and_get_ns+0x81/0x2b0 [ 50.780062][ T4165] other info that might help us debug this: [ 50.785928][ T4165] context-{4:4} [ 50.789362][ T4165] 1 lock held by syz-executor340/4165: [ 50.794801][ T4165] #0: ffffffff8c1418b8 (css_set_lock){....}-{2:2}, at: cgroup_get_from_path+0x26/0x2f0 [ 50.804609][ T4165] stack backtrace: [ 50.808302][ T4165] CPU: 0 PID: 4165 Comm: syz-executor340 Tainted: G W 5.15.185-syzkaller #0 [ 50.818348][ T4165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 50.828398][ T4165] Call Trace: [ 50.831664][ T4165] [ 50.834574][ T4165] dump_stack_lvl+0x168/0x230 [ 50.839232][ T4165] ? show_regs_print_info+0x20/0x20 [ 50.844409][ T4165] ? load_image+0x3b0/0x3b0 [ 50.848891][ T4165] __lock_acquire+0x1be9/0x7c60 [ 50.853721][ T4165] ? verify_lock_unused+0x140/0x140 [ 50.858899][ T4165] ? __printk_cpu_unlock+0x5f/0x70 [ 50.864010][ T4165] ? dump_stack_lvl+0x1bf/0x230 [ 50.868835][ T4165] ? ipv6_setsockopt+0x1c38/0x3890 [ 50.873927][ T4165] ? show_regs_print_info+0x20/0x20 [ 50.879098][ T4165] ? load_image+0x3b0/0x3b0 [ 50.883570][ T4165] ? finish_lock_switch+0x12f/0x280 [ 50.888756][ T4165] lock_acquire+0x197/0x3f0 [ 50.893341][ T4165] ? kernfs_walk_and_get_ns+0x81/0x2b0 [ 50.898788][ T4165] ? __might_sleep+0xf0/0xf0 [ 50.903355][ T4165] ? read_lock_is_recursive+0x10/0x10 [ 50.908708][ T4165] down_read+0x44/0x2e0 [ 50.912846][ T4165] ? kernfs_walk_and_get_ns+0x81/0x2b0 [ 50.918283][ T4165] kernfs_walk_and_get_ns+0x81/0x2b0 [ 50.923542][ T4165] ? kernfs_find_ns+0x510/0x510 [ 50.928366][ T4165] ? current_cgns_cgroup_from_root+0x2a9/0x2f0 [ 50.934493][ T4165] cgroup_get_from_path+0x5f/0x2f0 [ 50.939578][ T4165] cgroup_mt_check_v1+0x1ae/0x2c0 [ 50.944582][ T4165] xt_check_match+0x3c6/0xaa0 [ 50.949235][ T4165] ? xt_check_proc_name+0x240/0x240 [ 50.954438][ T4165] ? xt_find_match+0x1e1/0x210 [ 50.959176][ T4165] translate_table+0x153d/0x2020 [ 50.964090][ T4165] ? ip6t_register_table+0x7e0/0x7e0 [ 50.969351][ T4165] ? __might_fault+0xb7/0x110 [ 50.974002][ T4165] ? __lock_acquire+0x7c60/0x7c60 [ 50.979004][ T4165] ? _copy_from_user+0x111/0x170 [ 50.983917][ T4165] do_ip6t_set_ctl+0x975/0xd00 [ 50.988658][ T4165] ? nf_setsockopt+0x218/0x280 [ 50.993401][ T4165] ? ip6t_unregister_table_exit+0x230/0x230 [ 50.999302][ T4165] ? __lock_acquire+0x7c60/0x7c60 [ 51.004300][ T4165] ? __mutex_lock_common+0x431/0x2390 [ 51.009646][ T4165] ? __mutex_unlock_slowpath+0x19e/0x6a0 [ 51.015252][ T4165] ? mutex_unlock+0x10/0x10 [ 51.019738][ T4165] ? __local_bh_enable_ip+0x12a/0x1b0 [ 51.025086][ T4165] ? lockdep_hardirqs_on+0x94/0x140 [ 51.030260][ T4165] ? __local_bh_enable_ip+0x12a/0x1b0 [ 51.035616][ T4165] nf_setsockopt+0x25f/0x280 [ 51.040210][ T4165] ipv6_setsockopt+0x1cb8/0x3890 [ 51.045133][ T4165] ? ipv6_update_options+0x400/0x400 [ 51.050396][ T4165] ? mark_lock+0x94/0x320 [ 51.054712][ T4165] ? mark_lock+0x94/0x320 [ 51.059016][ T4165] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 51.064981][ T4165] ? lock_chain_count+0x20/0x20 [ 51.069821][ T4165] ? __lock_acquire+0x13ad/0x7c60 [ 51.074823][ T4165] ? free_unref_page_list+0x388/0x7e0 [ 51.080175][ T4165] ? free_unref_page_list+0x729/0x7e0 [ 51.085531][ T4165] ? lockdep_hardirqs_on+0x94/0x140 [ 51.090712][ T4165] ? free_unref_page_commit+0x4c0/0x4c0 [ 51.096235][ T4165] ? mark_lock+0x94/0x320 [ 51.100545][ T4165] ? memset+0x1e/0x40 [ 51.104600][ T4165] ? release_pages+0x184b/0x1bb0 [ 51.109515][ T4165] ? mark_lock+0x94/0x320 [ 51.113822][ T4165] ? aa_label_sk_perm+0x37e/0x490 [ 51.118821][ T4165] ? aa_sk_perm+0x8f0/0x8f0 [ 51.123309][ T4165] ? __might_sleep+0xf0/0xf0 [ 51.127873][ T4165] ? verify_lock_unused+0x140/0x140 [ 51.133063][ T4165] ? verify_lock_unused+0x140/0x140 [ 51.138234][ T4165] tcp_setsockopt+0x21a/0x1d70 [ 51.142975][ T4165] ? tcp_set_window_clamp+0x1a0/0x1a0 [ 51.148321][ T4165] ? aa_af_perm+0x2b0/0x2b0 [ 51.152795][ T4165] ? aa_sock_opt_perm+0x74/0x100 [ 51.157705][ T4165] ? sock_common_setsockopt+0x32/0xb0 [ 51.163049][ T4165] ? sock_common_recvmsg+0x1b0/0x1b0 [ 51.168306][ T4165] __sys_setsockopt+0x3d6/0x5e0 [ 51.173130][ T4165] ? __ia32_sys_recv+0xb0/0xb0 [ 51.177866][ T4165] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 51.183818][ T4165] ? lock_chain_count+0x20/0x20 [ 51.188647][ T4165] ? vtime_user_exit+0x2dc/0x400 [ 51.193557][ T4165] __x64_sys_setsockopt+0xb1/0xc0 [ 51.198555][ T4165] do_syscall_64+0x4c/0xa0 [ 51.202954][ T4165] ? clear_bhb_loop+0x30/0x80 [ 51.207604][ T4165] ? clear_bhb_loop+0x30/0x80 [ 51.212250][ T4165] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 51.218114][ T4165] RIP: 0033:0x7f68c836f929 [ 51.222501][ T4165] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 51.242077][ T4165] RSP: 002b:00007ffc12664038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 51.250467][ T4165] RAX: ffffffffffffffda RBX: 00007ffc12664208 RCX: 00007f68c836f929 [ 51.258413][ T4165] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 51.266362][ T4165] RBP: 00007f68c83e3610 R08: 0000000000001528 R09: 000